The arg "os_type" in class DistroInstaller has problem?

The arg "os_type" in class DistroInstaller has problem?

[Yingfu Zhou]

Hi,

Anybody meet this problem:

Unable to complete install 'exceptions.AttributeError 'DistroInstaller' 
object has no attribute '_os_type'
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 627, in 
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 950, 
in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 986, 
in _do_install
    install_xml = self.get_config_xml()
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 904, 
in get_config_xml
    osblob = self._get_osblob(osblob_install)
  File "/usr/lib/python2.4/site-packages/virtinst/FullVirtGuest.py", 
line 107, in _get_osblob
    arch = self.arch, loader = self.loader, conn = self.conn)
  File "/usr/lib/python2.4/site-packages/virtinst/DistroManager.py", 
line 348, in _get_osblob
    kernel=self.install, bootdev=bootdev)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 437, 
in _get_osblob_helper
    os_type = self.os_type
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 362, 
in get_os_type
    return self._os_type
AttributeError: 'DistroInstaller' object has no attribute '_os_type'
'